supply of fire retardant curtain fabric for first class ac coachesfire retardant curtain fabric for first class ac coaches,fire retardant curtain fabric for first class ac coaches and executive chair car of width 1220mm, mass of fabric shall be 250 plus or minus 20gm/sq.meter and the shade & colour s hould confirm to grade no.ppa57/1a of m/s. indian rayon and industries ltd. the firm shall submi t samples of above said design/pattern and colour/shade in size 300 x 300mm for approval. to r dso spec. no. c-9911 (rev.3 of feb.05, with amendment no. 4 of apr.15 and corrigendum 1 of may1 5).required colour red [ warranty period: 30 months after the date of delivery ] ]